bdaejec | 51a038ee36d6f763369da1566417dc0831ef0a983b12b3338f10376809ed3c86

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 20:18

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General

Target

JaffaCakes118_680abe251f550f964796474d9af501a0.exe
Size

164KB
MD5

680abe251f550f964796474d9af501a0
SHA1

c8a5dffad8c97ddb20a64f3def2719e9113d8157
SHA256

51a038ee36d6f763369da1566417dc0831ef0a983b12b3338f10376809ed3c86
SHA512

e16cd8c616cd08c0d1dc130c4ffa7339c221631c6efd0c1b8ece88df1479560e39f986aac0436d0bb172ca61ef1ef79ee08daae2e12c2057099aaf3cd9094e8e
SSDEEP

3072:u2sRnKDqxaGxDazNUOjXQ2Ar1OhmuBKxQkAep6mIpcfioGjfGCH:qLwGxDvOjrAxqp4p6Bqp

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4840-46-0x0000000000D60000-0x0000000000D69000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000c000000023b2e-3.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	DpxmOB.exe

Executes dropped EXE 1 IoCs

pid	Process
4840	DpxmOB.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	DpxmOB.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	DpxmOB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	DpxmOB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	DpxmOB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	DpxmOB.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	DpxmOB.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	DpxmOB.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	DpxmOB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	DpxmOB.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	DpxmOB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	DpxmOB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	DpxmOB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	DpxmOB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	DpxmOB.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	DpxmOB.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_680abe251f550f964796474d9af501a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DpxmOB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 4840	1888	JaffaCakes118_680abe251f550f964796474d9af501a0.exe	82
PID 1888 wrote to memory of 4840	1888	JaffaCakes118_680abe251f550f964796474d9af501a0.exe	82
PID 1888 wrote to memory of 4840	1888	JaffaCakes118_680abe251f550f964796474d9af501a0.exe	82
PID 4840 wrote to memory of 5116	4840	DpxmOB.exe	83
PID 4840 wrote to memory of 5116	4840	DpxmOB.exe	83
PID 4840 wrote to memory of 5116	4840	DpxmOB.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_680abe251f550f964796474d9af501a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_680abe251f550f964796474d9af501a0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Users\Admin\AppData\Local\Temp\DpxmOB.exe
  C:\Users\Admin\AppData\Local\Temp\DpxmOB.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4840
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\79b33612.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\FQRZN8O7\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0C7E6B9B.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\79b33612.bat

Filesize
187B

MD5
6aa5ffa4c235abe8cdfb82c317b3c557

SHA1
52401d6e8c2c0fe4ca334f333e9f712008567ecd

SHA256
bb5d77cc46c88a305cdeb07ff3f6ef7f10770f7a7b3a050ab03b9fd6fd7fd38b

SHA512
1416b834880b00280cba0f17e26bbdbabd0320788fd5dcab6ae0368c5f56af55e579188992a64eb77cd25ca17eb1d3e17526dfcb5f480fcda98062a70eefd893

Download Submit
C:\Users\Admin\AppData\Local\Temp\DpxmOB.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1888-0-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/1888-48-0x0000000000400000-0x000000000042D000-memory.dmp

Filesize
180KB

Download
memory/4840-4-0x0000000000D60000-0x0000000000D69000-memory.dmp

Filesize
36KB

Download
memory/4840-46-0x0000000000D60000-0x0000000000D69000-memory.dmp

Filesize
36KB

Download